1040 Pyrenoiiiyceleae, Dothideaceae. Hyalodidyrnae, Scirrhia. 



diam.; sporidiis conferlis, octoiiis, subeI!ip.soideis v. ovato--ol)longis, 



obtiisi.s, hyalinis, 1-septatis, 8-12^5-6. 



Hab. \n {'ol)i.'=; emortuis Distichlidis maritimaB, Oregoii 



Amer. bor. (Prof. S. M. Tracy). 

 16. Dothidella pteridophHa Spog. V. I^iigg- n. 327. — Stromatibus Am 



amphige.nis, innato-prominulis, minutis, 0,5-1 nun. diam., atris, lo- 



culis pusillis, dense constipatis, albo-farctis, 90-120 p.diam.; ascis 



obciavulatis, 50-60-12-14, aparaphysatis ; sporidiis elliptico-elon- 



gatis, medio 1-septatis, hyalinis, 16-18:^4-5. 



Hab. ad folia viva v. laiiguida Pteridis speciei ciijusdain in 



uliginosis prope Apiahy Brasiiiye. — D. nerinsequice aiiinis. 



SCIRRHIA Nits. -- Sacc. Syll. II, p. 635. 



1. Scirrhla Groveana Sacc. IMisc. Myc II, pag. 23, i. IX, fig. 18. — 4137 

 Stromatibus linearibus, plurirais, in utraque foliorurn pagina paral- 

 lele gregariis, epidermide initio velatis, 1-1,5 ram, longis, atris,- lo- 

 culis confertis, subglobosis ; ostiolo breve papillato-prominulis, per- 

 tusis ; ascis fasciculatis, fusoideis. sessilibus, utrinque obtusiusculis, 



60 ;2 12, aparaphysatis; sporidiis distichis, oblongis vel subcUvula- 

 tis, 14-16^3,5-4, 1-septatis, non constrictis, nubilosis, hyalinis. 



Hab. in foliis languidis T y p h ae 1 a t i f o 1 i ae, socia Leptosphccrid 

 Michotii, l.angle Pool pr. Birmingham Britannia? (W. B. Gro7e). 



2. Scirrhia Infuscata Wiater in Hedwigia 1886, p 102. — Stroma 413^ 

 tibus amphigenis, seriatis, lineas broves, valde prominentos, u.sque 



2 mm. longas, atras formantibus; loculis parcis, monostiche den- 

 seque stipatis, subglobosis, ostiolo papilliformi, vix proniinulo pra^- 

 ditis, 100-180 p. latis; ascis cylindraceis, deorsum paruni attenua- 

 tis, fere sossilibus, 8-sporis, 50-55=; 9-10; sporidiis subdistichis, ob- 

 longo-fusoideis, utrinque attenuatis, sed rotundatis, inaequilaterali- 

 bus, medio uniseptatis, non constrictis, hyalinis, 16-18 =; 3,5-4 ; para- 

 physibus tenuissimis, filiformibus. 



Hab. in foliis Graminea; cujusdam, St. Thorae Afr. occid, 



3. Scirrhia? microspora (Niessl) Sacc; Monographus microsporus 4139 

 Niessl in Krieger F. sax. n. 240, Rehm Ascom. n. 931. — Stro- 

 matibus linearibus, 2 mm. long., atris, orumpentibus ; ascis tereti- 

 clavatis, apice rotundatis, 36-45 :; 5, octospons, obturaculo jodo im- 

 mutato; sporidiis clavatis, raro ellipsoideis, rectis, hyalinis, bi- 

 cellularibus, 8-10 :;; 2,5-3, subdistichis ; paraphysibus filiformibus, 

 parcis. 



Jiab. in petiolis siccis AspiJii F i 1 ici s-f^minse, Koni^stein 



i 



